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718 GTS 4.0/GT4/GT4RS/Spyder/25th Anniversary Discussions about the 718 version of the GT4RS, GTS 4.0, GT4, Spyder and 25th Anniversary Boxster
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Kline 718 GT4/Spyder exhaust

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Old 11-28-2022, 01:58 AM
  #1081  
rjag2034
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did u install the VC?
Old 11-28-2022, 02:20 AM
  #1082  
UncleDude
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Originally Posted by rjag2034
did u install the VC?
not yet - only a real mechanic could do both in one day 😂
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Old 11-28-2022, 08:36 AM
  #1083  
dmboone25
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Originally Posted by LoodorneGT4
@dmboone25 Inconel or SS, That orange sound is Inconel and it has a little higher pitch.
Yes sir, mine is inconel as well.

Originally Posted by SlickxAC
I have the cargraphics valve controller and leave it open most of the time. It pops and bangs pretty much all the time when I have the valves open.
Interesting - well, very cool that others are getting this type of effect, but not so often for me.

I will say that the tone really is awesome - it's truly high pitched and sounds high end. Very happy with that.
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Old 11-28-2022, 11:03 PM
  #1084  
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There are plenty of videos showing the car screaming at the redline, that’s covered pretty well with this system.

Here’s a video that highlights the more mundane stuff, the driving around town stuff, which is really important to me. I would argue most of these x-pipe designs sound pretty good wide open under full load, and this one is no exception (it sings a nice song!). Livability around town though, and on the highway is important to me and you can see in the video notes that it handles that really well. I’ll add a valve controller soon to give me more flexibility. I would unreservedly recommend this to anyone with a Spyder or GTS Boxster, I just can’t say if the hard tops are any different (those reports seem good too though).

I hope this helps someone who’s researching or trying to decide.


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Old 11-29-2022, 02:14 AM
  #1085  
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Love my Kline exhaust (inconel and 200 cell headers) more and more all the time. Here is a medley of exhausts with my GT4 going out first. I think it more than holds its own. The last car is also a GT4 and I think its got JCR rear?
View this post on Instagram

Last edited by dnimi123; 11-29-2022 at 02:22 AM.
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Old 12-02-2022, 10:50 PM
  #1086  
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Here’s one more, same setup PSE on no valve controller and just higher in the RPM range where the valves open. I think up top it is louder than stock but not by much (but the sound is obviously way better) and valves closed very close to stock I think. Great system - OEM quality.

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Old 12-02-2022, 11:31 PM
  #1087  
LoodorneGT4
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About to be over 500 miles on the system..still love it it’s a keeper.
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Old 12-03-2022, 12:45 PM
  #1088  
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Originally Posted by UncleDude
There are plenty of videos showing the car screaming at the redline, that’s covered pretty well with this system.

Here’s a video that highlights the more mundane stuff, the driving around town stuff, which is really important to me. I would argue most of these x-pipe designs sound pretty good wide open under full load, and this one is no exception (it sings a nice song!). Livability around town though, and on the highway is important to me and you can see in the video notes that it handles that really well. I’ll add a valve controller soon to give me more flexibility. I would unreservedly recommend this to anyone with a Spyder or GTS Boxster, I just can’t say if the hard tops are any different (those reports seem good too though).

I hope this helps someone who’s researching or trying to decide.


https://youtu.be/yoeH4oWSXSQ
Randy,

Thanks for sharing the video of what the Kline sounds like in driving just in a normal daily manner.

Sounds good to me and I'm glad your enjoying it.

Terry
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Old 12-03-2022, 12:46 PM
  #1089  
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Originally Posted by UncleDude
Here’s one more, same setup PSE on no valve controller and just higher in the RPM range where the valves open. I think up top it is louder than stock but not by much (but the sound is obviously way better) and valves closed very close to stock I think. Great system - OEM quality.

https://youtu.be/e-CGOaIGH08
Randy,

Nice job with the video buddy.


Terry
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Old 12-03-2022, 06:36 PM
  #1090  
incursion
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I just got mine in stainless. Does anyone know how much the OAPs weigh?


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Old 12-03-2022, 09:09 PM
  #1091  
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Originally Posted by incursion
I just got mine in stainless. Does anyone know how much the OAPs weigh?
Where are your OAP’s?

I got this from Eric and I’m sure he won’t mind me posting:

Weights:



Rear Valvetronic

Stainless Steel: 13.5 Kg

Inconel 625: 7.5 Kg



Header with 100cell

Stainless steel: 4.2 Kg

Inconel 625: 2.8 Kg



OAP

Stainless steel: 6.95 Kg/set

Inconel 625: 4.80 KG/set
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Old 12-03-2022, 09:27 PM
  #1092  
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I didn't put the OAPs in the pic.
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Old 12-04-2022, 09:24 PM
  #1093  
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Rest In Peace



Top Down (not the greatest mic on the insta Go2):
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Old 12-05-2022, 09:24 AM
  #1094  
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I drove my Spyder quite a bit this weekend, and now have roughly ~300 miles on the Kline exhaust.

It's great system. I honestly think the 4-6K sound is just as nice as the 8K redline pulls, which is great because the midrange is where I spend a lot of time in my day to day driving.

The more I drive it, the better it sounds - I am starting to get acclimated to how it sounds in different gears, RPMs, and throttle applications. Going to try and make a video over the holiday break to try and show some of the other aspects of the system, similar to what @UncleDude has done.
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Old 12-05-2022, 11:29 AM
  #1095  
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Originally Posted by UncleDude
Rest In Peace



Top Down (not the greatest mic on the insta Go2):
https://youtu.be/8E5v09G8jdg
Randy,

You buddy are a Tough-Guy for sure I'd be FREEZING my ole-butt off driving in the winter with snow on the ground and the Top-Down.

Nice video and shows at all different driving speeds what the KLINE sounds like.

Terry
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